[CentOS] kickstart and remote logging

[David Hrbáč]

Hi,
does anaconda C4/5 support remote logging during the install? (logging 
--host=ip)

Thanks,
David
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Re: [CentOS] install webmin

[Anne Wilson]

On Thursday 06 March 2008 01:57:24 Alex wrote:
> I was able to go to www.webmin.com and download the rpm file and install
> I am using centos 5 I also was not able to install using yum but this
> worked for me

You needed 'yum localinstall' and the full path to the stored rpm.  Just for 
another time :-)

Anne


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Re: [CentOS] ipw3945 wireless not working

[Robert Moskowitz]

Joshua Baker-LePain wrote:

On Wed, 5 Mar 2008 at 4:35pm, Robert Moskowitz wrote


Joshua Baker-LePain wrote:


On F7, I did the whole config manually (I don't use any DE, so I 
tend to have to do things this way) -- including editing 
/etc/sysconfig/network/ifcfg-eth1 to have the correct ESSID and 
editing /etc/wpa_supplicant/wpa_wupplicant.conf with my PSK. I'm 
*guessing* that would work for you.


I copied my wpa_supplicant.conf file from my nc4010 that has an 
atheros card (but did not use NetworkManager). My key and everything 
was in the file and works perfectly on the nc4010. Not hte nc2400 
with the ipw3945...


You may also want to have a look at /etc/sysconfig/wpa_supplicant and 
make sure that it is set up correctly.




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[CentOS] CentOS-announce Digest, Vol 37, Issue 3

[centos-announce-request]

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Today's Topics:

   1. CESA-2008:0177 Critical CentOS 4 ia64 evolution - security
  update (Pasi Pirhonen)


--

Message: 1
Date: Wed, 5 Mar 2008 21:23:46 +0200
From: Pasi Pirhonen <[EMAIL PROTECTED]>
Subject: [CentOS-announce] CESA-2008:0177 Critical CentOS 4 ia64
evolution - security update
To: [EMAIL PROTECTED]
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; charset="us-ascii"

CentOS Errata and Security Advisory 2009:0177

https://rhn.redhat.com/errata/RHSA-2008-0177.html

The following updated files have been uploaded and are currently
syncing to the mirrors:

ia64:
updates/ia64/RPMS/evolution-2.0.2-35.0.4.c4.1.ia64.rpm
updates/ia64/RPMS/evolution-devel-2.0.2-35.0.4.c4.1.ia64.rpm
updates/ia64/RPMS/evolution28-2.8.0-53.el4_6.2.ia64.rpm
updates/ia64/RPMS/evolution28-devel-2.8.0-53.el4_6.2.ia64.rpm


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[CentOS] Slightly OT: How to learn UNIX

[Ugo Bellavance]

Hi,

	I was wondering what would be the best way to learn AIX, Solaris, or 
HP-UX, for someone who knows Linux very well?  Books?  Courses? 
Self-teaching in a home lab?


Thanks,

Ugo

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Re: [CentOS] install webmin

[Ralph Angenendt]

Hiep Nguyen wrote:
> what about openssl.
>
> yum search openssl and found a lot, but
>
> yum install openssl, nothing install.
>
> is it possible to install openssl using yum???

Yes.

And it probably already is installed. How about reading some
documentation?

 should keep you busy for a day or two ...

Cheers,

Ralph


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Re: [CentOS] 5.0 -> 5.1

[Martin Marques]

Ashley M. Kirchner escribió:

Jim Perrin wrote:

If you've been running yum update, you're already at 5.1. You may just
need to reboot to load the new kernel.
  
   Nope, I don't run yum.  I do manual updates.  So I've rsynced the 
updates to a local drives, and then ran rpm against them.  There's 
something about running un-attended updates on a life system.  I've had 
too many cases where I come into the office in the morning and the 
system is dead because of some update overnight.




Never automate the updates. Do them manually, using yum, and selecting 
the packages you are interested in.

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Re: [CentOS] install webmin

[Hiep Nguyen]

On Thu, 6 Mar 2008, Ross Cavanagh wrote:


Hiep Nguyen wrote:

hi all,

how do i install webmin using yum?

i tried: yum search webmin, but not found.

it must be on a different repos. what repos do i need to add to see this 
package.


thanks
t. hiep


wget http://prdownloads.sourceforge.net/webadmin/webmin-1.400-1.noarch.rpm

rpm --import http://www.webmin.com/jcameron-key.asc

yum localinstall webmin-1.400-1.noarch.rpm


what about openssl.

yum search openssl and found a lot, but

yum install openssl, nothing install.

is it possible to install openssl using yum???

thanks,
t. hiep
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Re: [CentOS] Slightly OT: How to learn UNIX

[Simon Jolle]

2008/3/6, Ugo Bellavance <[EMAIL PROTECTED]>:
> Hi,

Hi Ugo

> I was wondering what would be the best way to learn AIX, Solaris, or
>  HP-UX, for someone who knows Linux very well?  Books?  Courses?
>  Self-teaching in a home lab?
>
>  Thanks,
>
>  Ugo

I recommend you installing OpenSolaris in a virtual or physical
machine and build a labor environment.

Buy study guides for Solaris certified System, Network and Security
Administrator (for Solaris 10 boxes). OpenSolaris is released under an
OSI approved license and pretty innovative.

cheers
Simon

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Re: [CentOS] install webmin

[Matt Hyclak]

On Thu, Mar 06, 2008 at 02:00:00PM +0100, Ralph Angenendt enlightened us:
> > what about openssl.
> >
> > yum search openssl and found a lot, but
> >
> > yum install openssl, nothing install.
> >
> > is it possible to install openssl using yum???
> 
> Yes.
> 
> And it probably already is installed. How about reading some
> documentation?
> 
>  should keep you busy for a day or two ...
> 


I've suggested this twice already, but it seems to be falling on deaf ears...

-- 
Matt Hyclak
Department of Mathematics 
Department of Social Work
Ohio University
(740) 593-1263
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Re: [CentOS] kickstart and remote logging

[Matt Hyclak]

On Thu, Mar 06, 2008 at 11:55:41AM +0100, David Hrbá? enlightened us:
> does anaconda C4/5 support remote logging during the install? (logging 
> --host=ip)

I believe 5 does, but 4 does not.

Matt

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Department of Social Work
Ohio University
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Re: [CentOS] Slightly OT: How to learn UNIX

[Christopher Chan]

I recommend you installing OpenSolaris in a virtual or physical
machine and build a labor environment.


Yes.



Buy study guides for Solaris certified System, Network and Security
Administrator (for Solaris 10 boxes). OpenSolaris is released under an
OSI approved license and pretty innovative.


:-O

Solaris/OpenSolaris comes with GREAT documentation. The only problem is 
reading through them. There is a lot of it!


I suggest taking things one step at a time. Don't try to go through the 
documentation all at once. Just look it up when you need to do a step on 
Solaris be it setup a interface or a nfs share and then repeatedly do 
that. Say ten times on day one. Then 5 times two days later. Once more a 
week later. Hopefully you get to do the same procedure once in a while 
afterwards. If all else fails, just hit the documentation.


http://www.opensolaris.org/os/community/documentation/

Links to System Admin/Storage/Security/younameit on the left. They are 
all downloadable so that you do not have to read them on sun's website 
and they are available in pdf should you fancy printing them out.


This are also the opensolaris mailing lists.
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Re: [CentOS] install webmin

[Les Mikesell]

Ralph Angenendt wrote:

Hiep Nguyen wrote:

what about openssl.

yum search openssl and found a lot, but

yum install openssl, nothing install.

is it possible to install openssl using yum???


Yes.

And it probably already is installed. How about reading some
documentation?

 should keep you busy for a day or two ...


Or just run "yum info openssl" to see.

I think it is kind of dumb that an explict "yum install " gives the 
same "nothing to do" response and doesn't distinguish between "" is 
already installed" and " doesn't exist, you probably misspelled it".


--
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[EMAIL PROTECTED]
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Re: [CentOS] install webmin

[Hiep Nguyen]

On Thu, 6 Mar 2008, Matt Hyclak wrote:


On Thu, Mar 06, 2008 at 02:00:00PM +0100, Ralph Angenendt enlightened us:

what about openssl.

yum search openssl and found a lot, but

yum install openssl, nothing install.

is it possible to install openssl using yum???


Yes.

And it probably already is installed. How about reading some
documentation?

 should keep you busy for a day or two ...




I've suggested this twice already, but it seems to be falling on deaf ears...


i did, but not 940 pages and understand/remember everything.  i read the 
section that i need for my task, but found none that why i asked. if one 
can read/understand/remember all related docs that google returned, then 
none of us will be here on this forum.


t. hiep
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Re: [CentOS] 5.0 -> 5.1

[Les Mikesell]

Martin Marques wrote:



If you've been running yum update, you're already at 5.1. You may just
need to reboot to load the new kernel.
  
   Nope, I don't run yum.  I do manual updates.  So I've rsynced the 
updates to a local drives, and then ran rpm against them.  There's 
something about running un-attended updates on a life system.  I've 
had too many cases where I come into the office in the morning and the 
system is dead because of some update overnight.




Never automate the updates. Do them manually, using yum, and selecting 
the packages you are interested in.


For updates you probably want all the packages.  If someone has gone to 
the trouble to backport fixes into these versions and roll out the 
updates there are probably very good reasons to apply them.  But, if 
machine is really critical it might be a good idea to have a similar 
setup for testing first.  Updates normally preserve your running kernel, 
so you can boot back to that easily, but the others would be hard to 
back out.  Or, just watch this list for a short time after major updates 
are available before you apply them yourself.  If anything breaks, 
you'll likely see a discussion of the problem here.


--
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   [EMAIL PROTECTED]

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Re: [CentOS] kickstart and remote logging

[<[EMAIL PROTECTED]>]

Matt Hyclak napsal(a):

I believe 5 does, but 4 does not.

Matt


I do believe so. :o( I need it for C4.
David

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[CentOS] Re: Slightly OT: How to learn UNIX

[Ugo Bellavance]

Christopher Chan wrote:



I recommend you installing OpenSolaris in a virtual or physical
machine and build a labor environment.


Yes.



Buy study guides for Solaris certified System, Network and Security
Administrator (for Solaris 10 boxes). OpenSolaris is released under an
OSI approved license and pretty innovative.


:-O

Solaris/OpenSolaris comes with GREAT documentation. The only problem is 
reading through them. There is a lot of it!


I suggest taking things one step at a time. Don't try to go through the 
documentation all at once. Just look it up when you need to do a step on 
Solaris be it setup a interface or a nfs share and then repeatedly do 
that. Say ten times on day one. Then 5 times two days later. Once more a 
week later. Hopefully you get to do the same procedure once in a while 
afterwards. If all else fails, just hit the documentation.


http://www.opensolaris.org/os/community/documentation/

Links to System Admin/Storage/Security/younameit on the left. They are 
all downloadable so that you do not have to read them on sun's website 
and they are available in pdf should you fancy printing them out.


This are also the opensolaris mailing lists.


Oh, great,  any ideas about other Unix flavors? (AIX, HP-UX)

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Re: [CentOS] Slightly OT: How to learn UNIX

[Steve Huff]

On Mar 6, 2008, at 7:02 AM, Ugo Bellavance wrote:

	I was wondering what would be the best way to learn AIX, Solaris,  
or HP-UX, for someone who knows Linux very well?  Books?  Courses?  
Self-teaching in a home lab?


in addition to the other suggestions, i recommend a copy of Evi  
Nemeth's "Unix System Administration Handbook" (http://www.admin.com/ 
Pages/USAH.html).  one of the distinguishing features of this book is  
that for each topic it provides configuration examples for several  
different UNIX variants, highlighting the differences and similarities.


the current edition is the Third; you may also be interested in the  
Second edition, which covers some more proprietary UNIX variants.


-steve

--
If this were played upon a stage now, I could condemn it as an  
improbable fiction. - Fabian, Twelfth Night, III,v




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[CentOS] /usr/bin/ld: skipping incompatible

[Simon Jolle]

Hi Centos Users

I try to compile SNMPPD (SNMP Proxy Daemon) on Centos 5.1 x86_64 with
latest patches. Dependencies (like libsplit, net-snmp-libs,
net-snmp-devel, net-snmp-libs) are installed, both 32 and 64 Bit.

# rpmbuild -tb snmppd-0.5.2.tar.gz
[...]
Making all in snmppd
make[2]: Entering directory `/tmp/snmppd-0.5.2/snmppd'
gcc  -Wall -Wno-uninitialized -Wchar-subscripts -Wmissing-declarations
-Wmissing-prototypes -Wnested-externs -Wpointer-arith
-Wno-sign-compare -Werror  -L/usr/lib  -o snmppd  conf.o control.o
log.o queue.o snmp.o snmppd.o threads.o utils.o -lnetsnmp  -lcrypto
-lpthread
/usr/bin/ld: skipping incompatible /usr/lib/libnetsnmp.so when
searching for -lnetsnmp
/usr/bin/ld: skipping incompatible /usr/lib/libnetsnmp.a when
searching for -lnetsnmp
snmppd.o: In function `new_target':
snmppd.c:(.text+0x371): undefined reference to `split'
snmppd.c:(.text+0x3fb): undefined reference to `split_free'
snmppd.c:(.text+0x619): undefined reference to `split_free'
collect2: ld returned 1 exit status
make[2]: *** [snmppd] Error 1
make[2]: Leaving directory `/tmp/snmppd-0.5.2/snmppd'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/tmp/snmppd-0.5.2'
make: *** [all] Error 2
[...]

Can anyone explain me "/usr/bin/ld: skipping incompatible" in plain
english ;) How to solve it?

cheers
Simon

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Re: [CentOS] install webmin

[Craig White]

On Thu, 2008-03-06 at 04:47 -0800, Hiep Nguyen wrote:
> On Thu, 6 Mar 2008, Ross Cavanagh wrote:
> 
> > Hiep Nguyen wrote:
> >> hi all,
> >> 
> >> how do i install webmin using yum?
> >> 
> >> i tried: yum search webmin, but not found.
> >> 
> >> it must be on a different repos. what repos do i need to add to see this 
> >> package.
> >> 
> >> thanks
> >> t. hiep
> >> 
> > wget http://prdownloads.sourceforge.net/webadmin/webmin-1.400-1.noarch.rpm
> >
> > rpm --import http://www.webmin.com/jcameron-key.asc
> >
> > yum localinstall webmin-1.400-1.noarch.rpm
> >
> what about openssl.
> 
> yum search openssl and found a lot, but
> 
> yum install openssl, nothing install.
> 
> is it possible to install openssl using yum???

if this is ssl with respect to webmin, you need perl-Net-SSLeay package

you might have to get the package from dag/rpmforge repository

Craig

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Re: [CentOS] Re: Slightly OT: How to learn UNIX

[Peter Arremann]

On Thursday 06 March 2008, Ugo Bellavance wrote:
> Oh, great,  any ideas about other Unix flavors? (AIX, HP-UX)

If I were you, I would forget about AIX at least at the beginning until you 
are solid with Solaris and HP-UX. Yes, it has good market share, but it is 
too different from everything else. 

Until recently I was a lead over a 8 person Unix admin team and our policy was 
to always hire people with little experience and then move them up as they 
learn stuff. 

I usually started them on Solaris 9. It is the closest to Linux (which most 
had experience with). Then we went on to Solaris 10 - SMF and so on are a big 
step forward but you will still find a ton of pre Sol10 out there, so if you 
don't have Solaris 9 or prior experience, you're not quite there. 

Then, the next step is HP-UX. You can get a C3xx0 or J6xx0 on ebay for little 
money these days. PA-RISC is dead, but once the OS is booted, there aren't 
that many differences between running on Itanium or PA-RISC. 

Finally, if they got that far, we would add some AIX. AIX is very different 
from what you would expect in a Unix flavor, ODM and all, but then again, 
Solaris 10 has moved quite a bit away from being a traditional Unix too. 

Peter.
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[CentOS] Keeping machines online

[Jerry Geis]

I am using centos 5.1. I want to keep my machines always powered on.
Some machines (important ones) are UPS'd.

I have also set in the BIOS (gigabyte motherboard) the power options
that after power loss should do a full on.

The other day we had just a momentary power drop.
the UPS machines had no issue of course with that.

However, the other machines did not come back on.

Is there anything additional in Centos that can help ensure
this machines turn back on. Perhaps something in acpi stuff?
Does that need setup?

Thanks for the discussion.

Jerry

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Re: [CentOS] Keeping machines online

[Ed Donahue]

Need to do that in the BIOS

BIOS setting for Power and set it to wake on LAN or there could be other
options.


On Thu, Mar 6, 2008 at 10:46 AM, Jerry Geis <[EMAIL PROTECTED]> wrote:

> I am using centos 5.1. I want to keep my machines always powered on.
> Some machines (important ones) are UPS'd.
>
> I have also set in the BIOS (gigabyte motherboard) the power options
> that after power loss should do a full on.
>
> The other day we had just a momentary power drop.
> the UPS machines had no issue of course with that.
>
> However, the other machines did not come back on.
>
> Is there anything additional in Centos that can help ensure
> this machines turn back on. Perhaps something in acpi stuff?
> Does that need setup?
>
> Thanks for the discussion.
>
> Jerry
>
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Re: [CentOS] install webmin

[Ralph Angenendt]

Les Mikesell wrote:
>
> I think it is kind of dumb that an explict "yum install " gives the 
> same "nothing to do" response and doesn't distinguish between "" is 
> already installed" and " doesn't exist, you probably misspelled it".

True ...

Cheers,

Ralph


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Re: [CentOS] Slightly OT: How to learn UNIX

[techlists]

I'm a big proponent of self teaching. In the IT field, it's usually hard to get 
an employer to pay for training, so if one isn't willing to self teach, it's 
hard to advance.

Use user reviews on Amazon to get feedback on what books are good for learning 
a specific operating system.

There's no substitute for hands on experience. With Solaris, you can always 
download ISO images and build your own test server on inexpensive x86 hardware. 
I don't know how you'd do that with AIX or HP, though. I've wanted to learn AIX 
myself, but am certainly not going to shell out several thousand bucks to buy a 
used AIX server. 

PG

 -- Original message --
From: Ugo Bellavance <[EMAIL PROTECTED]>
> Hi,
> 
>   I was wondering what would be the best way to learn AIX, Solaris, or 
> HP-UX, for someone who knows Linux very well?  Books?  Courses? 
> Self-teaching in a home lab?
> 
> Thanks,
> 
> Ugo
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Re: [CentOS] Keeping machines online

[Rudi Ahlers]

Jerry Geis wrote:

I am using centos 5.1. I want to keep my machines always powered on.
Some machines (important ones) are UPS'd.

I have also set in the BIOS (gigabyte motherboard) the power options
that after power loss should do a full on.

The other day we had just a momentary power drop.
the UPS machines had no issue of course with that.

However, the other machines did not come back on.

Is there anything additional in Centos that can help ensure
this machines turn back on. Perhaps something in acpi stuff?
Does that need setup?

Thanks for the discussion.

Jerry



No.

If a PC is powered off, the OS (regardless of which OS), won't be able 
todo anything about it, since an OS is loaded after the PC's BIOS & 
POST. The only way around this, is setup something like nagios  on 
another server (you could have a few servers running with Nagios, 
monitoring each other), which can then send a WOL (Wake On Lan) signal 
to the PC's that have switched off.


Some more expensive UPS's have a function to turn PC's on when they're on

--

Kind Regards
Rudi Ahlers
CEO, SoftDux

Web:   http://www.SoftDux.com
Check out my technical blog, http://blog.softdux.com for Linux or other 
technical stuff, or visit http://www.WebHostingTalk.co.za for Web Hosting stugg

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[CentOS] Re: Slightly OT: How to learn UNIX

[Ugo Bellavance]

Steve Huff wrote:


On Mar 6, 2008, at 7:02 AM, Ugo Bellavance wrote:

I was wondering what would be the best way to learn AIX, Solaris, 
or HP-UX, for someone who knows Linux very well?  Books?  Courses? 
Self-teaching in a home lab?


in addition to the other suggestions, i recommend a copy of Evi Nemeth's 
"Unix System Administration Handbook" 
(http://www.admin.com/Pages/USAH.html).  one of the distinguishing 
features of this book is that for each topic it provides configuration 
examples for several different UNIX variants, highlighting the 
differences and similarities.


the current edition is the Third; you may also be interested in the 
Second edition, which covers some more proprietary UNIX variants.


Thanks, but I find it hard to spend so much on a book that is 8-year old...

Ugo

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[CentOS] Re: Slightly OT: How to learn UNIX

[Ugo Bellavance]

Peter Arremann wrote:

On Thursday 06 March 2008, Ugo Bellavance wrote:

Oh, great,  any ideas about other Unix flavors? (AIX, HP-UX)


If I were you, I would forget about AIX at least at the beginning until you 
are solid with Solaris and HP-UX. Yes, it has good market share, but it is 
too different from everything else. 


Ok

Until recently I was a lead over a 8 person Unix admin team and our policy was 
to always hire people with little experience and then move them up as they 
learn stuff. 

I usually started them on Solaris 9. It is the closest to Linux (which most 
had experience with). Then we went on to Solaris 10 - SMF and so on are a big 
step forward but you will still find a ton of pre Sol10 out there, so if you 
don't have Solaris 9 or prior experience, you're not quite there. 


Ok, what about opensolaris?  Is



Then, the next step is HP-UX. You can get a C3xx0 or J6xx0 on ebay for little 
money these days. PA-RISC is dead, but once the OS is booted, there aren't 
that many differences between running on Itanium or PA-RISC. 

Finally, if they got that far, we would add some AIX. AIX is very different 
from what you would expect in a Unix flavor, ODM and all, but then again, 
Solaris 10 has moved quite a bit away from being a traditional Unix too. 


Peter.


Thanks for your great advice,
Ugo

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Re: [CentOS] Re: Slightly OT: How to learn UNIX

[Peter Arremann]

On Thursday 06 March 2008, Ugo Bellavance wrote:
> Ok, what about opensolaris?  Is
OpenSolaris is the development branch of Solaris. Things like Project Indiana 
make it look a lot less like Solaris 9 and before do. Everything that is in 
Solaris 10 is in OpenSolaris plus a lot more - new package management system, 
new installer, crossbow (network interfaces), ... Eventually, OpenSolaris 
will become Solaris 11.

The problem you will run into if you concentrate on Solaris 10 or OpenSolaris 
is that the majority of all Solaris systems out there is still running 9 and 
earlier. I get around quite a bit these days and my best guess is about 20% 
Solaris 10, 10% solaris 9 and 60% solaris 8 and 10% earlier releases. 

Solaris 8 isn't a good learning target because Solaris 8 x86 lacks drivers for 
almost everything. The differences between Solaris 8 and 9 aren't that great 
so you can save yourself a lot of trouble by just using Solaris 9 as the 
model for pre-10 Solaris.

Peter.
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Re: [CentOS] install webmin

[Les Mikesell]

Matt Hyclak wrote:

On Thu, Mar 06, 2008 at 02:00:00PM +0100, Ralph Angenendt enlightened us:

what about openssl.

yum search openssl and found a lot, but

yum install openssl, nothing install.

is it possible to install openssl using yum???

Yes.

And it probably already is installed. How about reading some
documentation?

 should keep you busy for a day or two ...




I've suggested this twice already, but it seems to be falling on deaf ears...


When someone wants to install webmin it is already a good hint that they 
don't want to deal with a million command line ways to do things...


One of several reasons that I usually install the k12ltsp re-spun 
versions of Centos and fedora is that besides adding the ltsp package to 
boot thin clients it also includes some extra yum repos pre-configured 
and push-button commands to install several handy things that aren't 
actually part of the distro: flash, acrobat, java, MS fonts, webmin, 
etc.  (http://www.k12ltsp.org).


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[CentOS] xml-commons-jaxp-1.3-apis for Freemind?

[Robert Moskowitz]

I am working on installing Freemind 
(http://freemind.sourceforge.net/wiki/index.php/Main_Page) on my new 
notebook.  And it is not working...  I downloaded all the rpms and put 
them into my local repo,  enabled the jpackages repos then, well here is 
what is happening:


yum install freemind* jcalendar* jgoodies-forms*
Loading "installonlyn" plugin
Loading "priorities" plugin
Setting up Install Process
Setting up repositories
Reading repository metadata in from local files
429 packages excluded due to repository priority protections
Parsing package install arguments
Resolving Dependencies
--> Populating transaction set with selected packages. Please wait.
---> Downloading header for freemind-javadoc to pack into transaction set.
freemind-javadoc-0.8.1-1. 100% |=|  36 kB
00:00
---> Package freemind-javadoc.noarch 0:0.8.1-1 set to be updated

---> Package jcalendar.noarch 0:1.2.2-3jpp set to be updated
---> Downloading header for freemind-plugins-time to pack into 
transaction set.
freemind-plugins-time-0.8 100% |=| 4.9 kB
00:00
---> Package freemind-plugins-time.noarch 0:0.8.1-1 set to be updated

---> Package freemind.noarch 0:0.8.1-1 set to be updated
---> Downloading header for freemind-plugins-help to pack into 
transaction set.
freemind-plugins-help-0.8 100% |=| 4.9 kB
00:00
---> Package freemind-plugins-help.noarch 0:0.8.1-1 set to be updated
---> Downloading header for freemind-plugins-svg to pack into 
transaction set.
freemind-plugins-svg-0.8. 100% |=| 5.3 kB
00:00
---> Package freemind-plugins-svg.noarch 0:0.8.1-1 set to be updated

---> Package jgoodies-forms.noarch 0:1.0.5-2jpp set to be updated
--> Running transaction check
--> Processing Dependency: jakarta-commons-codec for package: freemind
--> Processing Dependency: batik < 1.7 for package: freemind-plugins-svg
--> Processing Dependency: relaxngDatatype for package: freemind
--> Processing Dependency: ws-jaxme for package: freemind
--> Processing Dependency: rhino for package: freemind-plugins-svg
--> Processing Dependency: javahelp2 for package: freemind-plugins-help
--> Processing Dependency: jakarta-commons-lang for package: freemind
--> Processing Dependency: msv-xsdlib for package: freemind
--> Restarting Dependency Resolution with new changes.
--> Populating transaction set with selected packages. Please wait.
---> Package relaxngDatatype.noarch 0:1.0-3jpp set to be updated
---> Package batik.noarch 0:1.6-3jpp set to be updated
---> Package ws-jaxme.noarch 0:0.5.2-1jpp set to be updated
---> Package msv-xsdlib.noarch 0:1.2-0.20050722.3jpp set to be updated
---> Package jakarta-commons-codec.i386 0:1.3-7jpp.2 set to be updated
---> Package javahelp2.noarch 0:2.0.02-1jpp set to be updated
---> Package jakarta-commons-lang.i386 0:2.1-5jpp.1 set to be updated
---> Package rhino.noarch 0:1.6-0.r2.2jpp set to be updated
--> Running transaction check
--> Processing Dependency: xmlbeans for package: rhino
--> Processing Dependency: ant for package: ws-jaxme
--> Processing Dependency: xmldb-api for package: ws-jaxme
--> Processing Dependency: xml-commons-jaxp-1.3-apis for package: ws-jaxme
--> Processing Dependency: log4j for package: ws-jaxme
--> Restarting Dependency Resolution with new changes.
--> Populating transaction set with selected packages. Please wait.
---> Package ant.i386 0:1.6.5-2jpp.2 set to be updated
---> Package xmlbeans.noarch 0:2.1.0-4jpp set to be updated
---> Package log4j.i386 0:1.2.13-3jpp.2 set to be updated
---> Package xmldb-api.noarch 0:0.1-0.20041010.3jpp set to be updated
--> Running transaction check
--> Processing Dependency: java-devel for package: ant
--> Processing Dependency: xml-commons-jaxp-1.3-apis for package: ws-jaxme
--> Restarting Dependency Resolution with new changes.
--> Populating transaction set with selected packages. Please wait.
---> Package java-1.4.2-sun-compat.i586 0:1.4.2.10-1jpp set to be updated
--> Running transaction check
--> Processing Dependency: xml-commons-jaxp-1.3-apis for package: ws-jaxme
--> Processing Dependency: j2sdk = 2000:1.4.2_10-fcs for package: 
java-1.4.2-sun-compat

--> Finished Dependency Resolution
Error: Missing Dependency: xml-commons-jaxp-1.3-apis is needed by 
package ws-jaxme
Error: Missing Dependency: j2sdk = 2000:1.4.2_10-fcs is needed by 
package java-1.4.2-sun-compat


===

Note beside the missing dependencies, the java 1.4.2 dependency; I have 
installed:


java-1.4.2-gcj-compat-1.4.2.0-40jpp.112.i386.rpm


I really need Freemind working.  I have LOTS of documentation in it.  I 
was using 0.8.0-6, now 0.8.1-1 is available.



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Re: [CentOS] /usr/bin/ld: skipping incompatible

[Garrick Staples]

On Thu, Mar 06, 2008 at 03:48:04PM +0100, Simon Jolle alleged:
> Hi Centos Users
> 
> I try to compile SNMPPD (SNMP Proxy Daemon) on Centos 5.1 x86_64 with
> latest patches. Dependencies (like libsplit, net-snmp-libs,
> net-snmp-devel, net-snmp-libs) are installed, both 32 and 64 Bit.
> 
> # rpmbuild -tb snmppd-0.5.2.tar.gz
> [...]
> Making all in snmppd
> make[2]: Entering directory `/tmp/snmppd-0.5.2/snmppd'
> gcc  -Wall -Wno-uninitialized -Wchar-subscripts -Wmissing-declarations
> -Wmissing-prototypes -Wnested-externs -Wpointer-arith
> -Wno-sign-compare -Werror  -L/usr/lib  -o snmppd  conf.o control.o
> log.o queue.o snmp.o snmppd.o threads.o utils.o -lnetsnmp  -lcrypto
> -lpthread
> /usr/bin/ld: skipping incompatible /usr/lib/libnetsnmp.so when
> searching for -lnetsnmp
> /usr/bin/ld: skipping incompatible /usr/lib/libnetsnmp.a when
> searching for -lnetsnmp
> snmppd.o: In function `new_target':
> snmppd.c:(.text+0x371): undefined reference to `split'
> snmppd.c:(.text+0x3fb): undefined reference to `split_free'
> snmppd.c:(.text+0x619): undefined reference to `split_free'
> collect2: ld returned 1 exit status
> make[2]: *** [snmppd] Error 1
> make[2]: Leaving directory `/tmp/snmppd-0.5.2/snmppd'
> make[1]: *** [all-recursive] Error 1
> make[1]: Leaving directory `/tmp/snmppd-0.5.2'
> make: *** [all] Error 2
> [...]
> 
> Can anyone explain me "/usr/bin/ld: skipping incompatible" in plain
> english ;) How to solve it?

"skipping incompatible" means that ld is skipping over libraries/archives that
are the wrong architecture.  In this case, ld is skipping 32bit archives while
trying to link a 64bit binary.  This is all well and good.

You can normally ignore these messages because ld is pretty good and eventually
finding the correct libs.

Your problem is the "undefined reference" errors, not the "skipping" warnings.
It looks like ld needs a -lsplit or something.  I don't see a libsplit in my
repo so I can't comment specifically.  Make sure you have a x86_64
libsplit-devel (or whatever it is called) installed and watch the output of
snmppd's configure carefully.


-- 
Garrick Staples, GNU/Linux HPCC SysAdmin
University of Southern California

Please avoid sending me Word or PowerPoint attachments.
See http://www.gnu.org/philosophy/no-word-attachments.html


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Re: [CentOS] Slightly OT: How to learn UNIX -- The Rosetta Stone for UNIX

[Vincent Knecht]

> Hi,
>
>   I was wondering what would be the best way to learn AIX, Solaris, or
> HP-UX, for someone who knows Linux very well?  Books?  Courses?
> Self-teaching in a home lab?

Hello,

  here's an interesting resource, though more on the "surviving guide" side ;-)
http://www.bhami.com/rosetta.html

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Re: [CentOS] Slightly OT: How to learn UNIX

[John R Pierce]

Ugo Bellavance wrote:

Hi,

I was wondering what would be the best way to learn AIX, Solaris, 
or HP-UX, for someone who knows Linux very well?  Books?  Courses? 
Self-teaching in a home lab?


note that those three are /completely/ different from each other, 
especialyl when it comes to administration things.   AFAIK, AIX and HPUX 
only run on IBM pSeries power servers and HP PA-RISC/Itanium servers 
respectively, while Solaris can be run on either Sun UltraSparc or x86 
stuff.



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Re: [CentOS] Slightly OT: How to learn UNIX -- The Rosetta Stone for UNIX

[Steven Vishoot]

--- Vincent Knecht <[EMAIL PROTECTED]> wrote:

> > Hi,
> >
> > I was wondering what would be the best way to
> learn AIX, Solaris, or
> > HP-UX, for someone who knows Linux very well? 
> Books?  Courses?
> > Self-teaching in a home lab?
> 
> Hello,
> 
>   here's an interesting resource, though more on the
> "surviving guide" side ;-)
> http://www.bhami.com/rosetta.html
> 
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> 
i have to agree with this recommendation, that is some
pretty good stuff man.

Also i am seeing a lot saying about solaris 10, but
you can still down load solaris 9. All you need is
sign up for a free user account and you can download
it. 

just my $.02
:-)

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[CentOS] Re: /usr/bin/ld: skipping incompatible

[Scott Silva]

on 3-6-2008 6:48 AM Simon Jolle spake the following:

Hi Centos Users

I try to compile SNMPPD (SNMP Proxy Daemon) on Centos 5.1 x86_64 with
latest patches. Dependencies (like libsplit, net-snmp-libs,
net-snmp-devel, net-snmp-libs) are installed, both 32 and 64 Bit.

Try and remove the 32 bit libs if you are not running 32 bit apps.


# rpmbuild -tb snmppd-0.5.2.tar.gz
[...]
Making all in snmppd
make[2]: Entering directory `/tmp/snmppd-0.5.2/snmppd'
gcc  -Wall -Wno-uninitialized -Wchar-subscripts -Wmissing-declarations
-Wmissing-prototypes -Wnested-externs -Wpointer-arith
-Wno-sign-compare -Werror  -L/usr/lib  -o snmppd  conf.o control.o
log.o queue.o snmp.o snmppd.o threads.o utils.o -lnetsnmp  -lcrypto
-lpthread
/usr/bin/ld: skipping incompatible /usr/lib/libnetsnmp.so when

You are building 64 bit, but it is finding the 32 bit libs and bombing.


searching for -lnetsnmp
/usr/bin/ld: skipping incompatible /usr/lib/libnetsnmp.a when

Same here. 64 bit libs are in /usr/lib64 .

searching for -lnetsnmp
snmppd.o: In function `new_target':
snmppd.c:(.text+0x371): undefined reference to `split'
snmppd.c:(.text+0x3fb): undefined reference to `split_free'
snmppd.c:(.text+0x619): undefined reference to `split_free'
collect2: ld returned 1 exit status
make[2]: *** [snmppd] Error 1
make[2]: Leaving directory `/tmp/snmppd-0.5.2/snmppd'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/tmp/snmppd-0.5.2'
make: *** [all] Error 2
[...]

Can anyone explain me "/usr/bin/ld: skipping incompatible" in plain
english ;) How to solve it?



It is very difficult to build 64 bit software when 32 bit libs are present 
because the 32 bit lib path gets searched first.



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Re: [CentOS] rsyslog repo?

[Milton Calnek]

I'm pretty keen on trying out rsyslog.
So I added Karanbir's repo... or I tried.

I still can't find rsyslog.
fwiw, I poked around http://centos.karan.org/el5/extras/stable/x86_64/RPMS/
and I couldn't find _any_ rpms.

Is it me or is the repo offline?

[EMAIL PROTECTED] yum.repos.d]# cat kbs.repo
# All new packages are now released to the testing repository first
# and only moved into Stable after a period of time
# Note: The testing repository is disabled by default

[kbs-CentOS-Extras]
name=CentOS.Karan.Org-EL$releasever - Stable
gpgcheck=1
gpgkey=http://centos.karan.org/RPM-GPG-KEY-karan.org.txt
enabled=1
baseurl=http://centos.karan.org/el$releasever/extras/stable/$basearch/RPMS/

[kbs-CentOS-Testing]
name=CentOS.Karan.Org-EL$releasever - Testing
gpgcheck=1
gpgkey=http://centos.karan.org/RPM-GPG-KEY-karan.org.txt
enabled=0
baseurl=http://centos.karan.org/el$releasever/extras/testing/$basearch/RPMS/


[EMAIL PROTECTED] yum.repos.d]# yum search rsyslog
Loading "installonlyn" plugin
Setting up repositories
wtl-noarch100% |=|  951 B00:00
kbs-CentOS-Extras 100% |=|  951 B00:00
wtl-i386  100% |=|  951 B00:00
rpmforge  100% |=|  951 B00:00
extras100% |=| 1.1 kB00:00
updates   100% |=|  951 B00:00
base  100% |=| 1.1 kB00:00
centosplus100% |=|  951 B00:00
addons100% |=|  951 B00:00
Reading repository metadata in from local files
Excluding Packages from Red Hat Enterprise 5 - RPMforge.net - dag
Finished
No Matches found


Karanbir Singh wrote:

Johnny Tan wrote:
Does anyone know of a CentOS-5 (el5) repo for rsyslog, that's being 
maintained on a relatively regular basis? I checked all the usual 
suspects (dag, karan, epel, etc.), but they either don't have rsyslog 
at all, or they have an old version.




I am maintaining rsyslog quite regularly, and if you find the version 
lag a bit in my repo its because I found something broken or something 
wrong with their release.


rsyslog is deployed on all my own machines ( about 30 odd ) and at 
pretty much every client I am working with :D




--
Milton Calnek BSc, A/Slt(Ret.)
[EMAIL PROTECTED]
306-717-8737


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Re: [CentOS] rsyslog repo?

[Johnny Tan]

Milton Calnek wrote:

I'm pretty keen on trying out rsyslog.
So I added Karanbir's repo... or I tried.

I still can't find rsyslog.
fwiw, I poked around http://centos.karan.org/el5/extras/stable/x86_64/RPMS/
and I couldn't find _any_ rpms.


As mentioned, it's in testing, not stable:
http://centos.karan.org/el5/extras/testing/x86_64/RPMS/
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Re: [CentOS] rsyslog repo?

[Akemi Yagi]

On Thu, Mar 6, 2008 at 12:29 PM, Milton Calnek <[EMAIL PROTECTED]> wrote:
> I'm pretty keen on trying out rsyslog.
>  So I added Karanbir's repo... or I tried.
>
>  I still can't find rsyslog.
>  fwiw, I poked around http://centos.karan.org/el5/extras/stable/x86_64/RPMS/
>  and I couldn't find _any_ rpms.
>
>  Is it me or is the repo offline?

It is in the Testing repo.  yum --enablerepo=kbs-CentOS-Testing will find it.

Akemi
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Re: [CentOS] Slightly OT: How to learn UNIX

[Stephen John Smoogen]

On Thu, Mar 6, 2008 at 5:02 AM, Ugo Bellavance <[EMAIL PROTECTED]> wrote:
> Hi,
>
> I was wondering what would be the best way to learn AIX, Solaris, or
>  HP-UX, for someone who knows Linux very well?  Books?  Courses?
>  Self-teaching in a home lab?
>

I found that the best way for me was to stick to one OS, go through
Evi Nemeth's Unix and Linux Administration Handbooks and learn what
each chapter goes over. Break that one OS multiple times. Then pick up
another one. These days for someone at home you can go with Linux,
xBSD (FreeBSD, OpenBSD,etc ), and Solaris on x86 hardware.

However, for other people this does not work well and it is better to
dive into all 3 'flavours' at once.. otherwise they find that they are
always saying "well OS#1 is better than OS#2 because its commands are
like this or that."

HP-UX and AIX can only be really learned on specific hardware.. I
found this limits the amount of self-teaching one can do on these OS's
as you end up only with production boxes at some site :). If you have
a 'beefy' system at home.. I would suggest installing some sort of
virtualization software and then installing a BSD derivative (for
learning MacOS etc), a Solaris virtual system and various Linux
distributions.


-- 
Stephen J Smoogen. -- CSIRT/Linux System Administrator
How far that little candle throws his beams! So shines a good deed
in a naughty world. = Shakespeare. "The Merchant of Venice"
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Re: [CentOS] rsyslog repo?

[Steven Vishoot]

--- Milton Calnek <[EMAIL PROTECTED]> wrote:

> I'm pretty keen on trying out rsyslog.
> So I added Karanbir's repo... or I tried.
> 
> I still can't find rsyslog.
> fwiw, I poked around
>
http://centos.karan.org/el5/extras/stable/x86_64/RPMS/
> and I couldn't find _any_ rpms.
> 
> Is it me or is the repo offline?
> 
> [EMAIL PROTECTED] yum.repos.d]# cat kbs.repo
> # All new packages are now released to the testing
> repository first
> # and only moved into Stable after a period of time
> # Note: The testing repository is disabled by
> default
> 
> [kbs-CentOS-Extras]
> name=CentOS.Karan.Org-EL$releasever - Stable
> gpgcheck=1
>
gpgkey=http://centos.karan.org/RPM-GPG-KEY-karan.org.txt
> enabled=1
>
baseurl=http://centos.karan.org/el$releasever/extras/stable/$basearch/RPMS/
> 
> [kbs-CentOS-Testing]
> name=CentOS.Karan.Org-EL$releasever - Testing
> gpgcheck=1
>
gpgkey=http://centos.karan.org/RPM-GPG-KEY-karan.org.txt
> enabled=0
>
baseurl=http://centos.karan.org/el$releasever/extras/testing/$basearch/RPMS/
> 
> 
> [EMAIL PROTECTED] yum.repos.d]# yum search rsyslog
> Loading "installonlyn" plugin
> Setting up repositories
> wtl-noarch100%
> |=|  951 B00:00
> kbs-CentOS-Extras 100%
> |=|  951 B00:00
> wtl-i386  100%
> |=|  951 B00:00
> rpmforge  100%
> |=|  951 B00:00
> extras100%
> |=| 1.1 kB00:00
> updates   100%
> |=|  951 B00:00
> base  100%
> |=| 1.1 kB00:00
> centosplus100%
> |=|  951 B00:00
> addons100%
> |=|  951 B00:00
> Reading repository metadata in from local files
> Excluding Packages from Red Hat Enterprise 5 -
> RPMforge.net - dag
> Finished
> No Matches found
> 
> 
> Karanbir Singh wrote:
> > Johnny Tan wrote:
> >> Does anyone know of a CentOS-5 (el5) repo for
> rsyslog, that's being 
> >> maintained on a relatively regular basis? I
> checked all the usual 
> >> suspects (dag, karan, epel, etc.), but they
> either don't have rsyslog 
> >> at all, or they have an old version.
> >>
> > 
> > I am maintaining rsyslog quite regularly, and if
> you find the version 
> > lag a bit in my repo its because I found something
> broken or something 
> > wrong with their release.
> > 
> > rsyslog is deployed on all my own machines ( about
> 30 odd ) and at 
> > pretty much every client I am working with :D
> > 
> 
> -- 
> Milton Calnek BSc, A/Slt(Ret.)
> [EMAIL PROTECTED]
> 306-717-8737
> 
> 
> -- 
> This message has been scanned for viruses and
> dangerous content by MailScanner, and is
> believed to be clean.
> 
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> 
You are looking in the wrong directory it should be in
extra/testing. As stated by Akemi in this email
http://lists.centos.org/pipermail/centos/2008-March/095551.html

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[CentOS] audio file validation tool ?

[John R Pierce]

I need a command line tool to validate mp3 file(s)just something 
that scans the file and looks for structural errors and reports it.


background, I've recovered a few 1000 MP3 files off a dying disk drive 
for a radio station, some of the other files I recovered had several K 
byte long blocks of zeros splatted in the middle where the dying drive 
did bad sector remapping (SMART reported 1900+ sectors had been 
remapped)...this particular library was the playlist for an internet 
radio station run as a pet project by the program director of a FM 
station... said PD passed away from cancer last year, and the station 
management wants to put this internet station back online as a legacy to 
her.


its a very obscure bunch of music, all old 'cowboy' songs.  :)


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Re: [CentOS] audio file validation tool ?

[Erek Dyskant]

On Thu, 2008-03-06 at 13:47 -0800, John R Pierce wrote:
> I need a command line tool to validate mp3 file(s)just something 
> that scans the file and looks for structural errors and reports it.
> 
> background, I've recovered a few 1000 MP3 files off a dying disk drive 
> for a radio station, some of the other files I recovered had several K 
> byte long blocks of zeros splatted in the middle where the dying drive 
> did bad sector remapping (SMART reported 1900+ sectors had been 
> remapped)...this particular library was the playlist for an internet 
> radio station run as a pet project by the program director of a FM 
> station... said PD passed away from cancer last year, and the station 
> management wants to put this internet station back online as a legacy to 
> her.
> 
> its a very obscure bunch of music, all old 'cowboy' songs.  :)

Have a look at mp3val...http://mp3val.sourceforge.net/

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Re: [CentOS] audio file validation tool ?

[Max Hetrick]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

John R Pierce wrote:
> I need a command line tool to validate mp3 file(s)just something
> that scans the file and looks for structural errors and reports it.


Peek at checkmate:

http://checkmate.linuxonly.nl/

Regards,
Max
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Re: [CentOS] audio file validation tool ?

[John R Pierce]

Erek Dyskant wrote:

On Thu, 2008-03-06 at 13:47 -0800, John R Pierce wrote:
  
I need a command line tool to validate mp3 file(s)just something 
that scans the file and looks for structural errors and reports it.





Have a look at mp3val...http://mp3val.sourceforge.net/

  

perfect, thanks!


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Re: [CentOS] rsyslog repo?

[Karanbir Singh]

Johnny Tan wrote:
I'm definitely all for stable, non-broken software even if it lags 
behind -- even way behind.


in the case of rsyslog, thats not the case :D I had a play with the 3.x 
tree today, and it *looks* ok to me. So might as well inflict it upon 
everyone else considering its in the Testing Repo, no sane person will 
use it in Production. Right ?


I shall have updated packages in a couple of days, prolly over the 
weekend. The package queue is quite long at the moment.


But I'm specifically interested in rsyslog v3 for the disk-assisted 
buffering.


Basically, I want to be able to log locally AND remotely. AFAICT, I have 
to move to v3 to get this feature.


err, really ? you could do that with conventional syslog too.

Do you use it for central logging? And if you do, how do you mitigate 
the risk of data loss if the clients can't contact the server?


you can syslog to a machine and it can syslog to another machine 
also, running over tcp is nicer, since you atleast now get a chance to 
do something about bits that dont make it.


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[CentOS] Moving from RAID 0 to LVM RAID?

[Scott R. Ehrlich]

So I've learned a valuable RAID 0 lesson, and it fortunately was not a major 
catastrophy.  I got lucky, and had a workable-enough backup on tape to make the 
user who needed some data happy.


Now, from the OS side, LVM is an option.   Say the RAID controller only allows 
hardware striping or mirroring for logical volumes, but I want to use more than 
two disks, and I don't want the RAID 0 problem again.


When I get a replacement disk and build the system from the ground up again, I 
could, conceivably, use hardware RAID 1 for the OS on two disks, and CentOS 5 
64-bit's LVM for software RAID 5 (or maybe 1+0 if available) on the remaining 
for 4 disks, maybe 3 disks as active and the 4th as a hot spare?


I've never had much faith in software raid, since it is not hardware-based, and 
there would be a performance hit, but in this case, it could be an option.


Insights from the OS-created RAID experience welcome.

Thanks again.

Scott
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Re: [CentOS] Moving from RAID 0 to LVM RAID?

[nate]

Scott R. Ehrlich wrote:
> So I've learned a valuable RAID 0 lesson, and it fortunately was not a major
> catastrophy.  I got lucky, and had a workable-enough backup on tape to make
> the
> user who needed some data happy.
>
> Now, from the OS side, LVM is an option.   Say the RAID controller only
> allows
> hardware striping or mirroring for logical volumes, but I want to use more
> than
> two disks, and I don't want the RAID 0 problem again.

Not sure what kind of RAID 0 problems you had but one option might
be to run two RAID 1 mirrors on the controller, then run software RAID
0 between the two (essentially RAID 1+0). You may even be able to
do native RAID 1+0 in software raid, I haven't looked into it.
I haven't had a system with more than two disks that didn't have
a good hardware RAID card in it.

> I've never had much faith in software raid, since it is not hardware-based,
> and
> there would be a performance hit, but in this case, it could be an option.

What kind of RAID controller? In the SATA space there are plenty, I
say probably most of the RAID controllers out there for SATA are shit,
and I'd rather trust software raid then use them. The one exception
is 3Ware. If your using SAS or parallel SCSI then typically the RAID
cards there are halfway decent.

For me, if the disks are SATA, and the controller is not 3Ware then
I use software RAID. If possible I go buy a 3Ware controller for
the system. Software RAID works pretty well. I have it running on
probably 15-20 HP DL320G4 systems (whose RAID controllers suck, we
had multiple cases of drives faltering but the controller said the
disks were OK, the manufacturer's diagnostics tools said the drives
were going bad). On the hardware RAID front I had a couple cases
where a HP SmartArray controller reported a disk was on the
verge of failing but was still operational, but I/O to the array
that had the faltering disk suffered significantly(75%+ drop in
throughput), and the only way to get rid of the disk was to
physically remove it(can be a pain when your not on site). My
3Ware controllers have a management app which you can remove
disks manually from the array using the app.

If going software raid be sure your swap partition is on a RAID
protected volume. There seems to be a popular (mis)conception to
put swap on a RAID 0 volume or not on a RAID volume at all. If
you have multiple swap partitions/files on different volumes/disks
you can round robin the swap by mounting them with the same
priority level, getting similar performance to RAID 0, while
maintaining high(er) availability.

nate


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[CentOS] Re: Moving from RAID 0 to LVM RAID?

[Scott Silva]

on 3-6-2008 3:58 PM Scott R. Ehrlich spake the following:
So I've learned a valuable RAID 0 lesson, and it fortunately was not a 
major catastrophy.  I got lucky, and had a workable-enough backup on 
tape to make the user who needed some data happy.


Now, from the OS side, LVM is an option.   Say the RAID controller only 
allows hardware striping or mirroring for logical volumes, but I want to 
use more than two disks, and I don't want the RAID 0 problem again.


When I get a replacement disk and build the system from the ground up 
again, I could, conceivably, use hardware RAID 1 for the OS on two 
disks, and CentOS 5 64-bit's LVM for software RAID 5 (or maybe 1+0 if 
available) on the remaining for 4 disks, maybe 3 disks as active and the 
4th as a hot spare?


I've never had much faith in software raid, since it is not 
hardware-based, and there would be a performance hit, but in this case, 
it could be an option.


Insights from the OS-created RAID experience welcome.

Thanks again.

Scott
Raid 0 is never a good option for data you need to keep. It is great if you 
need fast access to scratch data, though. Software raid in linux is very 
mature and works wonderfully, and has the benefit of being able to move all 
the drives to a different system and being able to start up the array without 
needing the controller.

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You hope everybody uses it, and
you notice quickly if they don't



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[CentOS] OpenOffice won't start up

[Therese Trudeau]

Hi,

I just ran an install of OpenOffice 2.31 on Centos 5.1 using these instructions 
- http://www.melvilletheatre.com/articles/openoffice-fedora/index.html

Install seemed to go fine until I finished and then tried to start up K writer 
and none of the OO apps will start up from the menu. even though they are all 
showing up in start menu that 2.3 is installed. I'm using KDE mostly but have 
gnome installed also.

Can anyone give me an idea as to how to correct?

Thanks.
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[CentOS] Perl-5.8.8-10 "use overload" backport breaks performance?

[Amos Shapira]

Hello,

There is text in the documentation of Class::DBIx as follows:

There is a problem with slow performance of certain DBIx::Class
operations in perl-5.8.8-10 and later on RedHat and related systems,
due to a bad backport of a "use overload" related bug. The problem is
in the Perl binary itself, not in DBIx::Class. If your system has this
problem, you will see a warning on startup, with some options as to
what to do about it.

(from 
http://search.cpan.org/~ash/DBIx-Class-0.08010/lib/DBIx/Class/Manual/Intro.pod#Problems_on_RHEL5/CentOS5)

and indeed when I run a test I get:

# perl -MDBIx::Class -e1


WARNING: DBIx::Class::StartupCheck: This version of Perl is likely to exhibit
extremely slow performance for certain critical operations.
Please consider recompiling Perl.  For more information, see
https://bugzilla.redhat.com/show_bug.cgi?id=196836 and/or
http://lists.scsys.co.uk/pipermail/dbix-class/2007-October/005119.html.
You can suppress this message by setting DBIC_NO_WARN_BAD_PERL=1 in your
environment.

Now it looks like the current solution is to compile a package by
myself. Is there a way I can avoid this and just grab a fixed or older
working version from some known repository?

This is on a CentOS 5 with all updated packages ("yum update" doesn't
update anything), rpmforge is enabled in case this matters.

Thanks,

--Amos
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Re: [CentOS] OpenOffice won't start up

[Frank Cox]

On Thu, 06 Mar 2008 23:59:05 -0500
Therese Trudeau <[EMAIL PROTECTED]> wrote:

> Install seemed to go fine until I finished and then tried to start up K writer

K Writer?  That sounds very much like Koffice, which is a completely different
program than OpenOffice.   You won't be able to use Koffice if you haven't
installed Koffice.

> and none of the OO apps will start up from the menu.
even though they are all showing up in start menu that 2.3 is installed. I'm
using KDE mostly but have gnome installed also.

What happens when you type "ooffice" or "soffice" at a terminal window prompt?

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[CentOS] OpenOffice won't start up

[Therese Trudeau]

> From: [EMAIL PROTECTED]
> To: [EMAIL PROTECTED]
> Subject: RE: [CentOS] OpenOffice won't start up
> Date: Fri, 7 Mar 2008 00:10:48 -0500
> 
> 
> 
>> K Writer?  That sounds very much like Koffice, which is a completely 
>> different
>> program than OpenOffice.   You won't be able to use Koffice if you haven't
>> installed Koffice.
> 
> Oh I'm sorry, I didn't mean k-writer,I meant OpenOffice 2.3 Writer - it' 
> right off the OO menu. 
>  
>> What happens when you type "ooffice" or "soffice" at a terminal window 
>> prompt?
> 
> When I type in ooffice I get "command not found", and when I type soffice I 
> get "no suitable windowing system found, exiting."
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Re: [CentOS] OpenOffice won't start up

[Frank Cox]

On Fri, 07 Mar 2008 00:13:01 -0500
Therese Trudeau <[EMAIL PROTECTED]> wrote:


> > When I type in ooffice I get "command not found", and when I type soffice I 
> > get "no suitable windowing system found, exiting."

Disable selinux, as the article tells you to.

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RE: [CentOS] OpenOffice won't start up

[Therese Trudeau]

>>> When I type in ooffice I get "command not found", and when I type soffice I 
>>> get "no suitable windowing system found, exiting."
> 
> Disable selinux, as the article tells you to.

Oh...I must not be seeing that in the article, I searched it and could not find 
that anywhere - seaarched for disable and selinux.  could you please
quote that part or indicate how I would do that? 
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Re: [CentOS] OpenOffice won't start up

[Frank Cox]

On Fri, 07 Mar 2008 00:24:29 -0500
Therese Trudeau <[EMAIL PROTECTED]> wrote:

> Oh...I must not be seeing that in the article, I searched it and could not 
> find that anywhere - seaarched for disable and selinux.  could you please
> quote that part or indicate how I would do that? 

http://sysdigg.blogspot.com/2008/01/how-to-disable-selinux-in-centos-5.html

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RE: [CentOS] OpenOffice won't start up

[Therese Trudeau]

> http://sysdigg.blogspot.com/2008/01/how-to-disable-selinux-in-centos-5.html

OK I just disabled SeLinux and rebooted, still none of the OpenOffice 
applications will start. 
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Re: [CentOS] OpenOffice won't start up

[Frank Cox]

On Fri, 07 Mar 2008 00:49:27 -0500
Therese Trudeau <[EMAIL PROTECTED]> wrote:

> OK I just disabled SeLinux and rebooted, still none of the OpenOffice 
> applications will start. 

What happens when you type "ooffice" or "soffice" at a terminal window prompt?

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RE: [CentOS] OpenOffice won't start up

[Therese Trudeau]

> What happens when you type "ooffice" or "soffice" at a terminal window prompt?

Same as before - "command not found" and "no suitable windowing system found, 
exiting."




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[CentOS] LVM VG disappears after kernel upgrade on 5.1

[Ted Miller]

I finally got 5.1 to boot after install (install couldn't keep the disk IDs 
from getting crossed up, so at reboot partitions were not where install 
said they would be).


I needed to compile vmware and nvidia modules, but decided to upgrade 
first.  Told yumex to upgrade everything.


When I went to reboot the VG with / on it is not seen by the kernel.  (root 
partition is LVM on top of RAID 1).  If I go back to the old kernel 
everything boots fine.  On the new kernel only the VG on sdc is seen by LVM.


1. How do I persuade the new kernel to notice the VG with my root partition 
on it.


2. If #1 is not possible, how do I downgrade kernel-headers to the old 
version without having to uninstall the dependencies, so I can compile my 
kernel modules?


+ Original install was network install of 5.1/x86_64 from CD1 (of 7)
+ VGs were created under Centos 4.
+ VG DriveAB01 is on md1(sda5+sdb5) + md2(sda6+sdb6), only seen by
 original 5.1 kernel
+ /boot is on md0
+ VG DriveC01 is on sdc, and both kernels see it
+ hdd has Win2k on it for dual boot
+ hdb + hdc are DVD drives
+ hda is unused
+ Motherboard is Gigbyte k8n ultra 9
+ AMD 3500 Athlon 64 (single core)

Ted Miller
Indiana, USA


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Re: [CentOS] LVM VG disappears after kernel upgrade on 5.1

[Amos Shapira]

On Fri, Mar 7, 2008 at 5:07 PM, Ted Miller <[EMAIL PROTECTED]> wrote:
> I finally got 5.1 to boot after install (install couldn't keep the disk IDs
>  from getting crossed up, so at reboot partitions were not where install
>  said they would be).
>
>  I needed to compile vmware and nvidia modules, but decided to upgrade
>  first.  Told yumex to upgrade everything.
>
>  When I went to reboot the VG with / on it is not seen by the kernel.  (root
>  partition is LVM on top of RAID 1).  If I go back to the old kernel
>  everything boots fine.  On the new kernel only the VG on sdc is seen by LVM.
>
>  1. How do I persuade the new kernel to notice the VG with my root partition
>  on it.

Not sure this is related but I suppose a "vgscan" wouldn't hurt, would it?

--Amos
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Re: [CentOS] OpenOffice won't start up

[Frank Cox]

On Fri, 07 Mar 2008 01:03:33 -0500
Therese Trudeau <[EMAIL PROTECTED]> wrote:

> > What happens when you type "ooffice" or "soffice" at a terminal window 
> > prompt?
> 
> Same as before - "command not found" and "no suitable windowing system found, 
> exiting."

That's highly unusual, because I have never seen that error caused by anything
other than selinux.

What does this tell you when you type it at a command line:
"/usr/sbin/sestatus"

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